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INA220

SBOS459E – JUNE 2009 – REVISED JANUARY 2016

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Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Related Products ................................................... 3

6

Pin Configuration and Functions ......................... 3

7

Specifications......................................................... 4

7.1

Absolute Maximum Ratings ...................................... 4

7.2

ESD Ratings.............................................................. 4

7.3

Recommended Operating Conditions ....................... 4

7.4

Thermal Information .................................................. 4

7.5

Electrical Characteristics........................................... 5

7.6

Bus Timing Diagram Definitions................................ 6

7.7

Typical Characteristics .............................................. 7

8

Detailed Description .............................................. 9

8.1

Overview ................................................................... 9

8.2

Functional Block Diagram ......................................... 9

8.3

Feature Description................................................... 9

8.4

Device Functional Modes........................................ 10

8.5

Programming .......................................................... 11

8.6

Register Maps ......................................................... 17

9

Application and Implementation ........................ 24

9.1

Application Information............................................ 24

9.2

Typical Application .................................................. 24

10

Power Supply Recommendations ..................... 28

11

Layout................................................................... 28

11.1

Layout Guidelines ................................................. 28

11.2

Layout Example .................................................... 28

12

Device and Documentation Support ................. 29

12.1

Related Documentation......................................... 29

12.2

Community Resources.......................................... 29

12.3

Trademarks ........................................................... 29

12.4

Electrostatic Discharge Caution ............................ 29

12.5

Glossary ................................................................ 29

13

Mechanical, Packaging, and Orderable

Information ........................................................... 29

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision D (September 2010) to Revision E

Page

•

Added ESD Ratings table, Feature Description section, Device Functional Modes section, Application and

Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation

Support section, and Mechanical, Packaging, and Orderable Information section ............................................................... 1

•

Deleted Temperature Range parameters from Electrical Characteristics. ............................................................................. 6

Changes from Revision C (September, 2009) to Revision D

Page

•

Changed High Accuracy bullet in Features from 1% to 0.5% for B-grade device.................................................................. 1

•

Added new paragraph to Description regarding A- and B-grade versions of the device ....................................................... 1

•

Added new row to Packaging Information table to show new B-grade device ...................................................................... 3

•

Added B-grade columns in Electrical Characteristics for MIN, TYP and MAX values ........................................................... 5

•

Changed Current Sense Gain Error over temperature specification from 10 ppm/°C to 1m%/°C ......................................... 5

•

Added Configure/Measure/Calculate Example..................................................................................................................... 24

Changes from Revision B (June, 2009) to Revision C

Page

•

Changed specified temperature range from –25°C to –40°C................................................................................................. 5

•

Changed Offset Voltage (RTI) vs Temperature minimum specification from 0.1

μV/°C to 0.16 μV/°C ................................. 5

•

Updated Typical Characteristics: Figure 3, Figure 4, Figure 5, Figure 6 ............................................................................... 7

•

Updated Typical Characteristics: Figure 9, Figure 10 ............................................................................................................ 7